Tire chain



Nov. 14, 1939.

o. w. NESBITT Filed July 5, 1938 r highly efi'icient in use, shown topresent sharp edges to engage the road- Patented Nov. 14, 1939 v UNITEDSTATES PATENT OFFICE TIRE CHAIN Orville W. Nesbitt, Chicago,Ill.,-assignor of onethird to Zaifereos J. Sermopoulas, Chicago, Ill.

Application July 5, 1938, Serial No. 217,428

2 Claims. (Cl. 152-243) The invention relates to improvements in tirelinks I2, so that said traction members may be chains and has for itsprimary object the provireadily assembled and the tread members readilysion of an improved construction of this charrenewed in case of wear orbreakage. The ends acter, capable of economical production and l! of theT-heads l6 are bent downwardly as Another object of the invention is theprovision way, and each T-head I6 is made somewhat of an improved meansfor engaging a roadway. thicker than its extension [5, thereby providingOther objects of the invention will appear heresharp shoulders H3 attheir junctures, thus proinafter. viding additional sharp engaging edgesto engage o The invention consists in the combinations and the roadway,p r y when covered by ice 10 arrangements of parts hereinafter describedand or snow.

claimed. By the arrangement tread members are pro- The invention will bebest understood by ref- Vided having comparatively broad, smooth anderence to the accompanying drawing forming unbroken bearing surfaces forthe tire tread and part of the specification and in which: p n n sharpand penetrating m r to 15 Fig. 1 is a partial side View of an automobileengage the roadway to prevent slippage in any tire equipped with a chainembodying the indirection particularly when the roadway is covvention;ered by ice or snow. The specific form and ar- Fig. 2 is an enlargedtransverse section of said rangement of parts disclosed is a simple andeftire, showing the same in position thereon; fective one for thepurpose. 20 Fig. 3 is a bottom plan view of one of a plu- While I haveillustrated and described the prerality of tread members embodied in theconferred. form of carrying my invention into effect, struction; this iscapable of modification and variation tread members; tion. I thereforedo not wish to be limited to the 14 by means of which each of thetraction memslots for chain links the sides of said T-heads f- Fig. 4 isa longitudinal section of one of said without departing from the spiritof the inven- Fig. 5 is an end view of one of said tread memprecisedetails disclosed but desire to avail myself bers. of such variationsand modifications as fall with- The embodiment of the inventionillustrated in the scope of the appended claims.

in the drawing comprises the usual side chains I claim:

It connected by traction members, as shown. 1. A tread member for tirescomprising a body 39 Each of these traction members comprisesalterarranged to rest against a tire and having exnate tread members Hand chain links l2 detensions at its ends extending downwardly andtachably engaged therewith. The end links l2 under the bottom thereofterminating in T- are connected by additional links 93 with hooks headswith spaces between them to form entry bers is attached to the sidechains H) as will be being bent downwardly to engage the roadway.readily understood. 2. A tread member for tires comprising a body Eachof the treadmembers consists of a smooth arranged to rest against a tireand having extencontinuous fiat body portion adapted to rest sions atits ends extending downwardly and under against the tread portion of atire without inthe bottom thereof terminating in T-heads with 40 jurythereto during use, the contact surface of. spaces between them to formentry slots for chain each tread member being comparatively broad, linksthe sides of said T-heads being bent downsmooth and unbroken for thispurpose. The body Wardly to engage the roadway and said T-heads portionof each tread member has extensions l5 being somewhat thicker than saidextensions to at its ends extending downwardly and under the form sharpshoulders at their junctures. bottom thereof terminating in T-heads Itwith space between them to form entry slots for the ORVILLE W. NESBITT.

